S. indicus is recorded to be found in a marine environment within a reef-associated depth range of 20–100 m (70–330 ft).

They are found in areas of sandy or muddy bottoms of waters that are prone to currents.

[2] S. indicus is sold both fresh and dried and salted in markets.

[3] S. indicus is recorded to be found in the areas of the Indo-West Pacific, southern Red Sea, East Africa, southern India, and Sri Lanka.

This species was also reported to be found in Indonesia and northwestern Australia.